Home / 62,023.92-85,622.40-39,680.88

Finding the Fourth Proportional to 62,023.92, 85,622.40 and 39,680.88

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Solution

The fourth proportional to 62,023.92, 85,622.40 and 39,680.88 is: 54,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,023.92 : 85,622.40 = 39,680.88 : x
  2. Step 2: Convert to fraction form
    62,023.92/85,622.40 = 39,680.88/x
  3. Step 3: Cross multiply
    62,023.92x = 85,622.40 × 39,680.88
  4. Step 4: Simplify right side
    62,023.92x = 3,397,572,179.71
  5. Step 5: Solve for x
    x = 3,397,572,179.71/62,023.92
  6. Step 6: Final answer
    x = 54,778.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.